body {
    font-family: Arial, sans-serif;
    margin: 20px;
  }
  
  table {
    width: 100%;
    border-collapse: collapse;
  }
  
  th, td {
    border: 1px solid #ddd;
    padding: 8px;
  }
  
  th {
    background-color: #f2f2f2;
  }
  
  button {
    margin-top: 10px;
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #45a049;
  }
  